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Support thread local storage

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This commit is contained in:
Justine Tunney 2022-05-16 13:20:08 -07:00
parent 91ee2b19d4
commit 55de4ca6b5
197 changed files with 1483 additions and 874 deletions
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27
libc/nexgen32e/errno.c → libc/nexgen32e/hastls.c
View file

@ -1,7 +1,7 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney │
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
@ -16,27 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/errno.h"
#include "libc/intrin/threaded.internal.h"
/**
* Global variable for last error.
*
* The system call wrappers update this with WIN32 error codes.
* Unlike traditional libraries, Cosmopolitan error codes are
* defined as variables. By convention, system calls and other
* functions do not update this variable when nothing's broken.
*
* @see libc/sysv/consts.sh
* @see libc/sysv/errfuns.h
* @see __errno_location() stable abi
*/
int errno;
/**
* Returns address of errno.
*
* @note this is needed by gdb
*/
int *__errno_location(void) {
return &errno;
}
bool __hastls;

3
libc/nexgen32e/nexgen32e.mk
View file

@ -42,7 +42,8 @@ $(LIBC_NEXGEN32E_A).pkg: \
$(LIBC_NEXGEN32E_A_OBJS) \
$(foreach x,$(LIBC_NEXGEN32E_A_DIRECTDEPS),$($(x)_A).pkg)
o/$(MODE)/libc/nexgen32e/errno.o: \
o/$(MODE)/libc/nexgen32e/hastls.o \
o/$(MODE)/libc/nexgen32e/threaded.o: \
OVERRIDE_CFLAGS += \
$(NO_MAGIC) \
-fno-sanitize=all

21
libc/nexgen32e/threaded.c Normal file
View file

@ -0,0 +1,21 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/intrin/threaded.internal.h"
bool __threaded;